Canon imageRUNNER ADVANCE C5255 Series Service Manual page 54

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Technology > Controller System > Controls > Security Features (Encryption Key, Certificate, Password Protection)
2.TPM Key Backup
The TPM key backup file can be stored only in USB flash drive (supported file system:
FAT32).
Note that this file requires the memory free space of several MBs.
1) Insert the USB flash drive to the machine.
The USB I/F (host) is found at the side of the control panel as well as the main
controller PCB.
CAUTION:
Ensure to insert only one USB flash drive.
If the backup job is started with 2 or more USB flash drives connected, the message is
shown to notify that the backup is failed.
MEMO:
The USB flash drive holds the TPM key backup files by serial number. Thus, backup
files for multiple machines can be saved in a USB flash drive.
2)Click [Back up TPM Key] in Management Setting > Data Management > TPM Setting.
2 Technology > Controller System > Controls > Security Features (Encryption Key, Certificate, Password Protection)
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3) Click [Password] to enter the password (4-12 digits). Then, enter the password for
confirmation.
4) Click [OK] to initiate TPM key backup.
5) Click [OK] on Backup Completion Screen and remove the USB flash drive.
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